Heterozygous means that an organism has two different alleles of a gene. For example, pea plants can have red flowers and either be homozygous dominant (red-red), or heterozygous (red-white). If they have white flowers, then they are homozygous recessive (white-white).
Jon Gosselin opened up to Us Weekly about working at TGI Fridays in Lancaster, Pennsylvania, explaining that he took the job because he has a passion for cooking and charity.
The USA for Africa organization is run by Ken Kragen, who helped bring the project together. As an artist manager, Kragen handles lots of logistics, which makes him well suited for the position. It took a while for royalties from We Are The World to roll in, which gave Kragen and his staff time to plan.